CN210616736U

CN210616736U - Perforating machine with position calibration structure

Info

Publication number: CN210616736U
Application number: CN201921217750.9U
Authority: CN
Inventors: 璁稿钩; 许平
Original assignee: Apong Nanjing Packaging & Printing Co ltd
Current assignee: Apong Nanjing Packaging & Printing Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-26
Anticipated expiration: 2029-07-31

Abstract

The utility model provides a puncher with position is markd structure, includes frame, conveying mechanism, nipper, positioning mechanism, the mechanism of punching, the frame includes frame, lower carriage, conveying mechanism sets up in the lower carriage, positioning mechanism, the mechanism setting of punching are in the conveying mechanism top, punch mechanism, positioning mechanism and locate respectively the upper portion, the well lower part of one side of frame go up, nipper upper end, lower extreme respectively with go up frame, lower carriage connection. Puncher with structure is markd to position, installation, easy maintenance, the operation elasticity of system is big, the equal normal operation of production capacity can be adjusted in great range to satisfied simultaneously and carried, fix a position, pressed paper, punched four functions, improved production efficiency and product quality effectively.

Description

Perforating machine with position calibration structure

Technical Field

The utility model relates to a puncher technical field, concretely relates to puncher with structure is markd to position.

Background

The hole puncher has wide application in modern society, and the variety of the hole puncher is various. For example, punches can be classified into: pearl perforating machine, laser perforating machine, automatic perforating machine, electric perforating machine, manual perforating machine, plastic bag perforating machine, pneumatic perforating machine and non-woven fabric perforating machine. The hole-punching machines can be classified into: according to the hole fraction, the single hole punching machine, the 2 hole punching machine, the 3 hole punching machine and the 4 hole punching machine.

In the printing industry, the puncher can be used for quickly punching and binding printed matters, so that the production efficiency is improved. The perforating machine aims at the perforating machine in the printing industry, still has a lot of insufficiencies on the basis of the existing technical conditions, and mainly relates to the problems that the design structure of the existing perforating machine is unreasonable, firstly, printed matters which can not be perforated according to needs are professionally designed, secondly, the automation degree is not high, thirdly, equipment is simple, the equipment can not be flexibly applied, and fourthly, the replacement and the maintenance are difficult and inconvenient.

Chinese patent publication No. cn201720073022.x discloses a three-ply board double-perforating puncher, has only improved the drill bit of puncher, and degree of automation is not high, and production efficiency is not high, and the operability of equipment is little.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the above not enough, the utility model aims at providing a puncher with position calibration structure, installation, easy maintenance, the operation elasticity of system is big, and the throughput can adjust all normal operations in great range to satisfied simultaneously and carried, fix a position, pressed paper, punched four functions, improved production efficiency and product quality effectively.

The technical scheme is as follows: a perforating machine with a position calibration structure comprises a machine frame, a conveying mechanism, a paper pressing mechanism, a positioning mechanism and a perforating mechanism, wherein the machine frame comprises an upper machine frame and a lower machine frame, the conveying mechanism is arranged on the lower machine frame, the positioning mechanism and the perforating mechanism are arranged above the conveying mechanism, the perforating mechanism and the positioning mechanism are respectively arranged at the upper part and the middle-lower part of one side of the upper machine frame, and the upper end and the lower end of the paper pressing mechanism are respectively connected with the upper machine frame and the lower machine frame; the positioning mechanism comprises a light source device and a fixing piece, the fixing piece is U-shaped, and the light source device is fixed on the upper rack through the fixing piece; the light source device comprises a laser element, a laser switch, a light emitting piece, a light source switch and a power supply, wherein the laser element, the light emitting piece and the power supply are arranged inside the light source device, the power supply is arranged at the top of the light source device, the laser switch and the light emitting piece are arranged at the bottom of the light source device, and the laser switch and the light source switch are arranged outside the light source device.

Puncher with structure is markd to position, during the use, the printed matter that will wait to punch is put to conveying mechanism on, when the printed matter transports to the positioning mechanism below, the light spot that laser element in positioning mechanism's the light source ware sent can fix a position the position of punching of waiting to punch the printed matter, after the location is accomplished, utilizes nipper constructs fixedly with the printed matter, starts the mechanism of punching, just can be rapidly, accurate, accomplish the operation of punching effectively, can carry out the printed matter of accomplishing the punching rapidly after the completion of punching, carry out next round and punch, the puncher combine to carry, fix a position, press paper, punch four functions in an organic whole, improved production efficiency greatly. One side of the light source device is arranged on one side of the paper pressing mechanism, the light source device comprises a laser element, a laser switch, a light emitting piece, a light source switch and a power supply, the power supply is a rechargeable battery and is arranged in the light source device, the laser switch and the light source switch are arranged on the other side of the light source device, the laser element and the light emitting piece are arranged on the bottom surface of the light source device, the light source device and the binding connection surface are inclined planes, light generated when the laser element is started is at an angle, a light spot generated corresponds to a position to be punched, when the positioning mechanism is used, the laser element can be enabled by turning on the laser switch, the position to be punched is positioned, the light source switch is used for starting the light emitting piece, and by means of the brightness provided by the light emitting piece, the.

Further, in the above-mentioned hole-punching machine with a position calibration structure, the conveying mechanism of the conveying mechanism includes a motor, a driving roller, a transmission chain, a driven roller, a direction-changing roller, a carrier roller, and a carrier roller; the driving roller is arranged at the front end of the conveying mechanism, and the motor is arranged below the driving roller and drives the driving roller through a first gear; the driven roller is arranged at the tail end of the conveying mechanism and is connected with the driving roller through a transmission chain; the turnabout drum is arranged below one side of the transmission chain close to the driving drum, and the supporting roller is arranged below the other side of the transmission chain; and a group of carrier rollers are arranged on the transmission chain.

Conveying mechanism is rational in infrastructure, simple to operate, and easy operation can the transported print that needs punch fast to the print that will accomplish the punching is carried away, improves production efficiency. In the process of conveying printed matters by the conveying mechanism, the running direction and the running speed of the conveying mechanism can be changed and the wrap angle between the conveying mechanism and the transmission roller (the driving roller and the driven roller) can be increased by pressing the transmission chain through the matching of the motor, the driving roller, the transmission chain, the driven roller, the bend roller, the carrier roller and the carrier roller. The turnabout drum is also called as a guide drum and is mainly used for changing the running direction of the transmission chain or pressing the transmission chain to increase the wrap angle between the turnabout drum and the transmission chain. The bend pulley is mainly under the drive chain motion, if the drive chain conveying direction is left, then the bend pulley is on the right side of conveying mechanism, and the main structure is bearing and steel cylinder. The transmission roller is a driving wheel of the conveying mechanism and is divided into a driving wheel and a driven wheel. The relationship between the transmission roller and the direction-changing roller is as if two wheels of the bicycle are used, the rear wheel is the transmission roller, and the front wheel is the direction-changing roller. The function of the bend-over pulley is the winding direction of the transmission chain, so that the transmission chain forms a closed loop. The bend-changing roller can be used as the roller of the conveying mechanism, forms the tension roller of the tension device and changes the direction of the belt at different angles. The carrier roller is used for supporting the transmission chain, reducing the running resistance of the transmission chain and ensuring that the suspension degree of the transmission chain does not exceed a certain limit so as to ensure the stable running of the transmission chain.

Further, in the above-mentioned hole puncher with a position calibration structure, the paper pressing mechanism includes a paper pressing block, a locking and releasing mechanism, and a limiting block, the limiting block and the locking and releasing mechanism are respectively disposed on the upper and lower portions of one side of the paper pressing block, and the paper pressing block is sleeved on the upper frame through the locking and releasing mechanism.

After the positioning is finished, the paper pressing block is pushed away by the limiting block and moves downwards, the printed matter with the punched holes is tightly fixed through the locking and releasing mechanism, and the paper pressing block is also released through the locking and releasing mechanism.

Further, in the above-mentioned hole-punching machine with a position calibration structure, the locking and releasing mechanism includes a locking plate, a locking lever, a pin shaft, a spring, a cam, and a releasing motor; the hinge pin is vertically arranged on the lower frame, the spring is sleeved on the hinge pin, the locking plate is horizontally arranged and sleeved at the top end of the hinge pin, a locking hole is formed in one end, facing the paper pressing block, of the locking plate, the locking rod penetrates through the locking hole and is arranged on the locking plate, and the locking rod is fixedly connected with the paper pressing block; the release motor is installed behind the locking plate, the last cam that installs of release motor, the cam with the top surface cooperation of locking plate one end.

When the paper pressing block moves downwards, the lower part of the locking rod is inserted into the locking hole of the locking plate, the locking rod and the locking plate form a vertical angle, the locking rod is in a release state and can move freely at the moment, when the paper pressing block stops, the angle between the locking rod and the locking plate is not vertical, the locking rod is in a locking state at the moment, when the highest point of the cam is in contact with the locking plate, the locking plate and the locking rod recover to form a vertical angle, and the locking rod is released.

Further, in the above-mentioned hole-punching machine with a position calibration structure, a travel switch is arranged on the cam.

A stroke switch, which is an electric appliance that switches a circuit according to a stroke position of a moving member, functions in a similar manner to a push button, is mounted on the cam.

Furthermore, in the above-mentioned hole puncher with a position calibration structure, the limiting block is an elastic limiting block.

Further, foretell puncher that has position calibration structure, the mechanism of punching includes the drill bit, the motor of punching removes seat, gear two, walking motor, the drill bit top with the motor afterbody of punching is connected, the motor of punching removes seat one side and is connected with the motor of punching, and the opposite side is installed and is passed through gear two drives the motor of punching up-and-down motion the walking motor, the motor of punching passes through the motor of punching removes a seat suit and is in go up in the frame.

Further, in the above-mentioned hole-punching machine with a position calibration structure, a longitudinal rack engaged with the second gear is disposed on one side of the hole-punching motor moving seat facing the second gear.

Furthermore, the above-mentioned puncher with position calibration structure, the drill bit includes drill bit, upper cylinder, lower cylinder, the upper cylinder with punch motor connects, upper cylinder, lower cylinder, drill bit connect gradually.

Furthermore, according to the hole puncher with the position calibration structure, the upper end of the drill bit and the middle of the lower cylinder are provided with the through holes, the through holes are vertical cylinders, and the drill bit and the lower cylinder are inserted into the through holes through the bolts and fixedly connected with each other.

The existing punching mechanism has the advantages that a punching drill bit and a punching motor are integrated, punching requirements of different punching sizes and shapes cannot be met, and the whole punching mechanism cannot be used after the punching drill bit is damaged, so that great waste is caused. Through the design, the drill bit can be replaced at will.

The utility model has the advantages that: the installation and the maintenance are convenient, the operation elasticity of the system is large, the production capacity can be adjusted in a large range and can be normally operated, the four functions of conveying, positioning, paper pressing and punching are simultaneously met, and the production efficiency and the product quality are effectively improved. By utilizing the light source device, the punching position of a printed matter to be punched can be positioned through the light spot emitted by the laser element, the punching operation can be rapidly, accurately and effectively finished, and the punching operation can be more accurately operated by the puncher under the dark condition due to the brightness provided by the luminous element. The conveying mechanism can change the running direction, and the carrier roller protects the material and the transmission chain, so that the service life of the transmission chain is prolonged; the drill bit can be changed wantonly to the mechanism of punching, has satisfied the demand of punching of different sizes, shapes to after the drill bit that punches damages, directly change the drill bit can, need not let whole mechanism of punching scrap and can not use, avoided extravagant.

Drawings

Fig. 1 is a schematic structural view of a hole punching machine with a position calibration structure according to the present invention;

fig. 2 is a schematic structural diagram of a positioning mechanism in the hole punching machine with a position calibration structure according to the present invention;

fig. 3 is a schematic structural view of a positioning mechanism light source device in the hole punching machine with a position calibration structure according to the present invention;

in the figure: 1 rack, conveying mechanism 2, motor 21, gear I211,

driving roller

22, 23 transmission chain, 24 driven roller, 25 direction-changing roller, 26 idler, 27 idler, 3 paper pressing mechanism, 31 paper pressing block, 32 locking releasing mechanism, 321 locking plate, 3211 locking hole 322 locking rod, 323 pin shaft, 324 spring, 325 cam, 3251 travel switch, 326 releasing motor, 327 elastic limiting block, 4 positioning mechanism, 41 light source device, 411 laser element, 412 laser switch, 413 luminous element, 414 light source switch, 415 power supply, 42 fixing element, 5 punching mechanism, 51 punching drill, 511 drill, 512 upper cylinder, 513 lower cylinder, 5131 through hole, 52 punching motor, 53 punching motor moving seat, 54 gear II, 55 walking motor,

Detailed Description

The invention will be further elucidated with reference to the accompanying figures 1-3 and the specific embodiments.

The hole punching machine with the position calibration structure, which has the structure as shown in fig. 1, comprises a frame 1, a conveying mechanism 2, a paper pressing mechanism 3, a positioning mechanism 4 and a punching mechanism 5, wherein the frame 1 comprises an upper frame 11 and a lower frame 12, the conveying mechanism 2 is arranged on the lower frame 12, the positioning mechanism 4 and the punching mechanism 5 are arranged above the conveying mechanism 2, the punching mechanism 5 and the positioning mechanism 4 are respectively arranged at the upper part and the middle lower part of one side of the upper frame 11, and the upper end and the lower end of the paper pressing mechanism 3 are respectively connected with the upper frame and the lower frame 12.

As shown in fig. 2 and 3, the positioning mechanism 4 includes a light source 41 and a fixing member 42, the fixing member 42 is U-shaped, and the light source 41 is fixed on the upper frame 11 through the fixing member 42; light source 41 is the cuboid and moves towards the one side of nipper mechanism 3 is the inclined plane, light source 41 includes laser element 411, laser switch 412, illuminating part 413, light source switch 414, power 415, laser element 411, illuminating part 413, power 415 set up inside light source 41, power 415 sets up light source 41 top, laser switch 412, illuminating part 413 set up the bottom of light source 41, laser switch 412, light source switch 414 establish light source 41 is outside.

The conveying mechanism 2 comprises a motor 21, a driving roller 22, a transmission chain 23, a driven roller 24, a direction-changing roller 25, a carrier roller 26 and a carrier roller 27; the driving roller 22 is arranged at the front end of the conveying mechanism 2, the motor 21 is arranged below the driving roller 22, and the driving roller 22 is driven through a first gear 211; the driven roller 24 is arranged at the tail end of the conveying mechanism 2, and the driven roller 24 is connected with the driving roller 22 through a transmission chain 23; the direction-changing drum 25 is arranged below one side of the transmission chain 23 close to the driving drum 22, and the idler 26 is arranged below the other side of the transmission chain 23; a group of carrier rollers 27 is arranged on the transmission chain 23.

In addition, the paper pressing mechanism 3 includes a paper pressing block 31, a locking release mechanism 32, and a stopper 33, the stopper 33 and the locking release mechanism 32 are respectively disposed at the upper and lower portions of one side of the paper pressing block 31, and the paper pressing block 31 is sleeved on the upper frame 11 through the locking release mechanism 32. The locking and releasing mechanism comprises a locking plate 321, a locking rod 322, a pin 323, a spring 324, a cam 325 and a releasing motor 326; the pin 323 is vertically arranged on the lower frame 12, the spring 324 is sleeved on the pin 323, the locking plate 321 is horizontally arranged and sleeved on the top end of the pin 323, a locking hole 3211 is formed in one end of the locking plate 321 facing the paper pressing block 31, the locking rod 322 is arranged on the locking plate 321 through the locking hole 3211, and the locking rod 322 is fixedly connected with the paper pressing block 31; after the release motor 326 is installed on the locking plate 321, a cam 325 is installed on the release motor 326, and the cam 325 is matched with the top surface of one end of the locking plate 321.

Further, a stroke switch 3251 is disposed on the cam 325. The stopper 33 is an elastic stopper.

The punching mechanism 5 includes a punching bit 51, a punching motor 52, a punching motor moving seat 53, a second gear 54, and a traveling motor 55, wherein the top of the punching bit 51 is connected to the tail of the punching motor 52, one side of the punching motor moving seat 53 is connected to the punching motor 52, the other side of the punching motor moving seat 53 is provided with the traveling motor 55 which drives the punching motor 52 to move up and down through the second gear 54, and the punching motor 52 is sleeved on the upper frame 11 through the punching motor moving seat 53. And, a longitudinal rack engaged with the second gear 54 is provided on one side of the punching motor moving seat 53 facing the second gear 54.

Further, the drill bit 51 comprises a drill bit 511, an upper cylinder 512 and a lower cylinder 513, the upper cylinder 512 is connected with the drilling motor 52, and the upper cylinder 512, the lower cylinder 513 and the drill bit 511 are sequentially connected. The upper end of the drill bit 511 and the middle of the lower cylinder 513 are provided with a through hole 5131, the through hole 5131 is in the shape of a vertical cylinder, and the drill bit 511 and the lower cylinder 513 are inserted into the through hole 5131 through a bolt for fixed connection.

Examples

Based on the above structural basis, as shown in fig. 1-3.

When the composite board punching machine is used, a printed product to be punched is placed on the transmission chain 23 of the conveying mechanism 2 in the punching machine with the position calibration structure, and the composite board can be quickly conveyed and the running direction of the conveying mechanism 2 can be changed and the wrap angle between the conveying mechanism 2 and the driving roller 22 and the wrap angle between the conveying mechanism 2 and the driven roller 24 can be increased by pressing the transmission chain 23 through the matching of the motor 21, the driving roller 22, the transmission chain 23, the driven roller 24, the bend rollers 25, the carrier rollers 26 and the carrier rollers 27.

Wherein, be equipped with a set of bearing roller 27 on the drive chain 23, bearing roller 27 is used for supporting drive chain 23, reduces drive chain 23 running resistance to make drive chain 23 degree of dangling no longer than certain limit, in order to guarantee drive chain 23 and operate steadily.

Next, when the composite board is conveyed below the positioning mechanism 4 by the conveying mechanism 2, the light generated when the laser element 411 in the light source 41 of the positioning mechanism 4 is started is angled, so that the generated light spot corresponds to the position to be punched, when the positioning mechanism 4 is used, the laser switch 412 is turned on, thereby positioning the position to be punched, the light source switch 414 is used for turning on the light emitting element 413, and the punching machine can be operated more accurately to punch in the dark by the brightness provided by the light emitting element 413. After the positioning is completed, the elastic stopper 33 is pushed open, the paper pressing block 31 moves downward, when the paper pressing block 31 moves downward, the lower part of the locking rod 322 is inserted into the locking hole 3211 of the locking plate 321, the locking rod 322 and the locking plate 321 form a vertical angle, at this time, the locking rod 322 is in a relaxed state and can move freely, when the paper pressing block 31 stops, the angle between the locking rod 322 and the locking plate 321 is not vertical, at this time, the locking rod 322 is in a locked state, when the highest point of the cam 325 contacts with the locking plate 321, the locking plate 321 and the locking rod 322 recover to form a vertical angle, and the locking rod 322 is released. Utilize nipper constructs 3 and fixes the printed matter, starts mechanism 5 of punching, just can accomplish the operation of punching rapidly, accurately, effectively, can carry out the printed matter of punching rapidly after the completion of punching, carries out next round and punches. The upper end of the drill bit 511 and the middle of the lower cylinder 513 are provided with a through hole 5131, the through hole 5131 is in the shape of a vertical cylinder, and the drill bit 511 and the lower cylinder 513 are inserted into the through hole 5131 through a bolt for fixed connection. Through the design, the drill bit 511 can be replaced at will, the punching requirements of different punching sizes and shapes are met, and after the drill bit 511 for punching is damaged, the drill bit can be directly replaced, the whole punching mechanism 5 is not required to be scrapped and cannot be used, and waste is avoided.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, the embodiments of the present invention can be arbitrarily combined with each other, and the same shall be regarded as the disclosure of the present invention as long as the idea of the present invention is not violated.

Claims

1. The perforating machine with the position calibration structure is characterized by comprising a rack (1), a conveying mechanism (2), a paper pressing mechanism (3), a positioning mechanism (4) and a perforating mechanism (5), wherein the rack (1) comprises an upper rack (11) and a lower rack (12), the conveying mechanism (2) is arranged on the lower rack (12), the positioning mechanism (4) and the perforating mechanism (5) are arranged above the conveying mechanism (2), the perforating mechanism (5) and the positioning mechanism (4) are respectively arranged at the upper part and the middle lower part of one side of the upper rack (11), and the upper end and the lower end of the paper pressing mechanism (3) are respectively connected with the upper rack and the lower rack (12); the positioning mechanism (4) comprises a light source device (41) and a fixing piece (42), the fixing piece (42) is U-shaped, and the light source device (41) is fixed on the upper rack (11) through the fixing piece (42); light source ware (41) include laser element (411), laser switch (412), illuminating part (413), light source switch (414), power (415), laser element (411), illuminating part (413), power (415) set up inside light source ware (41), power (415) set up light source ware (41) top, laser switch (412), illuminating part (413) set up the bottom of light source ware (41), establish laser switch (412), light source switch (414) light source ware (41) outside.

2. The hole puncher with the position calibration structure as claimed in claim 1, wherein the conveying mechanism (2) and the conveying mechanism (2) comprise a motor (21), a driving roller (22), a transmission chain (23), a driven roller (24), a direction-changing roller (25), a carrier roller (26) and a carrier roller (27); the driving roller (22) is arranged at the front end of the conveying mechanism (2), the motor (21) is arranged below the driving roller (22), and the driving roller (22) is driven through a first gear (211); the driven roller (24) is arranged at the tail end of the conveying mechanism (2), and the driven roller (24) is connected with the driving roller (22) through a transmission chain (23); the direction-changing roller (25) is arranged below one side of the transmission chain (23) close to the driving roller (22), and the supporting roller (26) is arranged below the other side of the transmission chain (23); and a group of carrier rollers (27) are arranged on the transmission chain (23).

3. The hole punch with the position calibration structure according to claim 1, wherein the paper pressing mechanism (3) comprises a paper pressing block (31), a locking and releasing mechanism (32) and a limiting block (33), the limiting block (33) and the locking and releasing mechanism (32) are respectively arranged at the upper part and the lower part of one side of the paper pressing block (31), and the paper pressing block (31) is sleeved on the upper frame (11) through the locking and releasing mechanism (32).

4. The hole punch with the position calibration structure according to claim 3, characterized in that the lock release mechanism comprises a lock plate (321), a lock lever (322), a pin shaft (323), a spring (324), a cam (325), a release motor (326); the hinge pin (323) is vertically arranged on the lower frame (12), the hinge pin (323) is sleeved with the spring (324), the locking plate (321) is horizontally arranged and sleeved at the top end of the hinge pin (323), one end of the locking plate (321) facing the paper pressing block (31) is provided with a locking hole (3211), the locking rod (322) penetrates through the locking hole (3211) on the locking plate (321), and the locking rod (322) is fixedly connected with the paper pressing block (31); the release motor (326) is arranged behind the locking plate (321), the release motor (326) is provided with a cam (325), and the cam (325) is matched with the top surface of one end of the locking plate (321).

5. The hole punch with the position calibration structure as claimed in claim 4, characterized in that a travel switch (3251) is arranged on the cam (325).

6. The hole-punching machine with the position calibration structure according to claim 4, characterized in that the stopper (33) is an elastic stopper.

7. The hole punching machine with the position calibration structure according to any one of claims 1 to 6, wherein the hole punching mechanism (5) comprises a hole punching drill (51), a hole punching motor (52), a hole punching motor moving seat (53), a second gear (54) and a traveling motor (55), the top of the hole punching drill (51) is connected with the tail of the hole punching motor (52), one side of the hole punching motor moving seat (53) is connected with the hole punching motor (52), the other side of the hole punching motor moving seat is provided with the traveling motor (55) which drives the hole punching motor (52) to move up and down through the second gear (54), and the hole punching motor (52) is sleeved on the upper frame (11) through the hole punching motor moving seat (53).

8. The hole-punching machine with the position calibration structure according to claim 7, characterized in that a side of the hole-punching motor moving seat (53) facing the second gear (54) is provided with a longitudinal rack engaged with the second gear (54).

9. The hole-punching machine with the position calibration structure according to claim 7, characterized in that the hole-punching drill bit (51) comprises a drill bit (511), an upper cylinder (512) and a lower cylinder (513), the upper cylinder (512) is connected with the hole-punching motor (52), and the upper cylinder (512), the lower cylinder (513) and the drill bit (511) are connected in sequence.

10. The hole puncher with the position calibration structure as claimed in claim 9, wherein a through hole (5131) is formed in the middle of the upper end of the drill bit (511) and the lower cylinder (513), the through hole (5131) is in the shape of a vertical cylinder, and the drill bit (511) and the lower cylinder (513) are fixedly connected by inserting a plug into the through hole (5131).